Buttaro Chapter Eyes 71, 75, 77, 78 EXAM QUESTION AND ANSWER [100% VERIFIED]

Buttaro Chapter Eyes 71, 75, 77, 78 EXAM QUESTION AND ANSWER [100% VERIFIED] Cataract facts *Ans* Leading cause of blindness worldwide opacification of the crystalline lens of eye 1 in 6 ppl over 40 affected in America everyone will develop cataract if they live long enough patho of cataract formation *Ans* cataract prevents light from focusing on retina, casing loss of vision. an increase in mass, thickness and development of a yellow hue with an associated loss of accommodative capacity. Trauma, exposure to medications like corticosteroids, metabolic d/o like dm, and smoking or UV light can hasten cataract development Cataracts Clinical Presentation: *Ans* c/o non-painful, progressive loss of visual acuity; blurred/hazy vision; halos; glare w/bright lights; frequent Rx change. dif. driving at night posterior subcapsular cataracts can cause glare s/s and dif. reading in bright illumination usually bilateral but may be asymmetric Physical Exam for cataracts *Ans* normal pupil constriction; hazy optic nerve/retina, absent/poor red light reflex does not cause corneal opacification or pain direct opthalmoscope w/ dilating the pupil focusing on the red reflex,fundoscopic exam, Differential Diagnosis for cataracts *Ans* vitreous hemorrhage, HTN retinopathy, diabetic retinopathy, corneal scar, retinal detachment, macular degeneration, neoplasm diagnostics for cataracts *Ans* none..only exam Management for cataracts *Ans* eyelass Rx changes, if ADLs significantly affected, refer for surgical removal. no medication available to reverse lens opacificatio